getportals.com

1. Anime Lover Says:
   July 1st, 2008 at 9:16 am

   f inverse = interchange x and y and solve x in terms of y
   domain = all real numbers

2. notthejake Says:
   July 1st, 2008 at 9:16 am

   domain of f(x) is x doesn't equal -3
   range of f^-1(x) is y doesn't equal -3

   range of f(x) is y doesn't equal -1
   domain of f^-1(x) is x doesn't equal -1

   to find inverse: solve x = (2 – y) / (3 + y) for y

   x(3 +y) = 2 – y
   3x + xy = 2 – y
   y + xy = 2 – 3x
   y(1 + x) = 2 – 3x
   y = f^-1(x) = (2 – 3x) / (1 + x)
   domain of f^-1(x): x doesn't equal -1 (range of f(x): y <>-1)
   range of f^-1(x): y doesn't equal -3 (domain of f(x): x <>-3)

   check: find f(-2) = (2 – -2) / (3 + -2) = 4/1 = 4
   now find f^-1(4) = (2 – 3(4)) / (1 + 4) = -10 / 5 = -2
   so (-2,4) on f(x); (4, -2) on f^-1(x) check

3. phoenixstarshine Says:
   July 1st, 2008 at 9:16 am

   (2-y)/(3+y)=x
   2-y=3x+xy
   xy+y=2-3x
   y(x+1)=2-3x
   y=(2-3x)/(x+1)

   dom f=x <>-3, dom f^-1=x<>-1, where '<>'means "not equal to"

4. how to make money Says:
   January 26th, 2012 at 7:32 pm

   … [Trackback] …

   [...] Read More: getportals.com/2008/07/01/the-function-f-is-one-to-one-find-the-inverse-of-the-function-find-the-domain-and-range-of-f-and-f-inverse/ [...] …

© 2012 getportals.com
| Provided by getportals.com |